%0 Journal Article %T 乙醇热法制备纳米二氧化钛及其对酯交换反应合成碳酸二丁酯的催化性能 %A 冯秀丽 %A 王庆印 %A 王公应 %A 邱发礼 %J 催化学报 %P 195-196 %D 2006 %X ?Thepreparationofnano-TiO2powderbythealcohol-thermalmethodatatmosphericpressureusingethanolasthesolvent,H2TiO3astheprecursor,andKOH,NaOHorNH3·H2Oasthemineralizerhasbeenpresented.XRDresultshowedthatthestructureofTiO2isanatase,andwiththeincreaseofmineralizeralkalinity,theaveragediameterofTiO2becomessmaller,andthecrystallinityofTiO2becomeshigher.ThediameterandthecrystallinityofTiO2affectthecatalyticactivityofTiO2forthesynthesisofdibutylcarbonate(DBC)fromdimethylcarbonate(DMC)andbutylalcohol.TheanataseTiO2obtainedfromKOHexhibitshighcatalyticactivity,giving61.9%conversionofDMC,100%selectivityforDBC,and61.9%yieldofDBC.TheconversionofDMC,selectivityandyieldofDBCremainalmostunchangedthroughfourreuses. %K 碳酸二甲酯 %K 碳酸二丁酯 %K 酯交换 %K 二氧化钛 %K 乙醇热法 %U http://www.chxb.cn/CN/abstract/abstract16617.shtml